Player Page

Chiang, CJ (Chia-Yi Joy)
Dob: 2009/05/01 (U16)
Gender: Female
Chess SA id: 2090105666
FIDE id:
Region: Tshwane (GTP)
Citizen: RSA
Title(s):
Last active: 2024/05/11 (9 days ago)
Ratings
Raw rating=Current rating, Weighted rating (WR)Weighted average of current/new Raw rating + last 23 published Raw ratings), Weighted performance (WP)=Weighted average of last 5 tournaments
Curent Raw rating1195.9
Curent Weighted rating1193.1
Curent Weighted performance922.7
Current official/published rating (highest between Raw, WR and WP)1195.9
Current floor (min rating allowed)718.9
Current highest rating achieved1218.9
Current K-factor36
Games played this month10
Score (S)8.0
Expected score (We)4.65
Difference (S-We)3.35
Current Raw change (no limits, including tournament time weight)100.1
Current min/max change allowed (with limits)±166.8
Current Raw change used (final)100.1
Projected new Raw rating1296.0
Projected new Weighed rating1201.9
Projected new Weighted performance922.7
Projected new official/published rating (highest between new Raw, new WR and new WP)1296.0
Projected effective change (new Official - current Official)+100.1
Projected new highest rating1296.0
Projected new floor796.0
Projected new K-facor36
Raw rating=Current rating, Weighted rating (WR)Weighted average of current/new Raw rating + last 23 published Raw ratings), Weighted performance (WP)=Weighted average of last 5 tournaments
Curent Raw rating1196.8
Curent Weighted rating1193.4
Curent Weighted performance922.0
Current official/published rating (highest between Raw, WR and WP)1196.8
Current floor (min rating allowed)725.2
Current highest rating achieved1225.2
Current K-factor36
Games played this month10
Score (S)8.0
Expected score (We)4.63
Difference (S-We)3.37
Current Raw change (no limits, including tournament time weight)121.3
Current min/max change allowed (with limits)±166.6
Current Raw change used (final)121.3
Projected new Raw rating1318.1
Projected new Weighed rating1204.0
Projected new Weighted performance922.0
Projected new official/published rating (highest between new Raw, new WR and new WP)1318.1
Projected effective change (new Official - current Official)+121.3
Projected new highest rating1318.1
Projected new floor818.1
Projected new K-facor36
Raw rating=Current rating, Weighted rating (WR)Weighted average of current/new Raw rating + last 23 published Raw ratings), Weighted performance (WP)=Weighted average of last 5 tournaments
Curent Raw rating1200.0
Curent Weighted rating1200.0
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)1200.0
Current floor (min rating allowed)700.0
Current highest rating achieved1200.0
Current K-factor36
Games played this month0
Score (S)0.0
Expected score (We)0.00
Difference (S-We)0.00
Current Raw change (no limits, including tournament time weight)0.0
Current min/max change allowed (with limits)±165.8
Current Raw change used (final)0.0
Projected new Raw rating1200.0
Projected new Weighed rating1200.0
Projected new Weighted performance
Projected new official/published rating (highest between new Raw, new WR and new WP)1200.0
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1200.0
Projected new floor700.0
Projected new K-facor36
Raw rating=Current rating, Weighted rating (WR)Weighted average of current/new Raw rating + last 23 published Raw ratings), Weighted performance (WP)=Weighted average of last 5 tournaments
Curent Raw rating1200.0
Curent Weighted rating1200.0
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)1200.0
Current floor (min rating allowed)700.0
Current highest rating achieved1200.0
Current K-factor36
Games played this month0
Score (S)0.0
Expected score (We)0.00
Difference (S-We)0.00
Current Raw change (no limits, including tournament time weight)0.0
Current min/max change allowed (with limits)±165.8
Current Raw change used (final)0.0
Projected new Raw rating1200.0
Projected new Weighed rating1200.0
Projected new Weighted performance
Projected new official/published rating (highest between new Raw, new WR and new WP)1200.0
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1200.0
Projected new floor700.0
Projected new K-facor36
Tournaments
Tournament: 2024 Tshwane North School District CLOSED Individual Champioships (U15 Girls)
Start: 2024/05/11  End: 2024/05/11  Host: GTP  Type: Standard   Time: 60  Time weight: 0.83  Rounds: 5
Games: 5  Score: 4.0
Main rating: 1195.9  Rating gain/loss: 46.3
Type rating: 1196.8  Rating gain/loss: 56.2
Analysis
Tournament: District 3 Cluster 4 and 5 Individuals 2024 (U15 Girls)
Start: 2024/05/04  End: 2024/05/04  Host: GTP  Type: Standard   Time: 60  Time weight: 0.83  Rounds: 5
Games: 5  Score: 4.0
Main rating: 1195.9  Rating gain/loss: 53.8
Type rating: 1196.8  Rating gain/loss: 65.2
Analysis
#TournamentStartEndHostTypeTimeWeightRnsGmsScrMainTypeAnalysis
2 2024 Tshwane North School District CLOSED Individual Champioships (U15 Girls) 2024/05/11 2024/05/11 Tshwane (GTP) Standard 60 0.83 5 5 4.0 1195.9 1196.8 Analysis
1 District 3 Cluster 4 and 5 Individuals 2024 (U15 Girls) 2024/05/04 2024/05/04 Tshwane (GTP) Standard 60 0.83 5 5 4.0 1195.9 1196.8 Analysis
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
10 2024 Tshwane North School District CLOSED Individual Champioships (U15 Girls) 2024/05/11 2024/05/11 Tshwane (GTP) Standard 60 0.83 5 5 4.0 1195.9 1196.8 Analysis
9 District 3 Cluster 4 and 5 Individuals 2024 (U15 Girls) 2024/05/04 2024/05/04 Tshwane (GTP) Standard 60 0.83 5 5 4.0 1195.9 1196.8 Analysis
8 2023 Tshwane North School District CLOSED League Championships (D3) (U15) 2023/08/12 2023/08/12 Tshwane (GTP) Standard 60 0.83 5 4 1.0 1218.9 1225.2 Analysis
7 Gauteng Schools Individual Finals 2023 (U15 Girls) 2023/05/27 2023/05/27 Ekurhuleni (GE) Standard 60 0.83 5 5 2.0 1169.8 1164.4 Analysis
6 2023 Tshwane North School District CLOSED Individual Championships (D3) (U15 Girls) 2023/05/13 2023/05/13 Tshwane (GTP) Standard 60 0.83 5 5 4.0 1169.8 1164.4 Analysis
5 2019 D3 Team League (U11) 2019/07/20 2019/07/20 Tshwane (GTP) Standard 60 0.83 5 5 2.0 1184.7 1183.2 Analysis
4 2019 Gauteng Primary Schools Individual Chess Championships (U11 Girls) 2019/05/25 2019/05/25 Tshwane (GTP) Standard 60 0.83 5 4 1.0 1190.3 1189.6 Analysis
3 D3 Primary School League Cluster 4 2019 (U11) 2019/05/11 2019/05/11 Tshwane (GTP) Standard 60 0.83 5 5 3.0 1190.3 1189.6 Analysis
2 2019 D3 Individuals (U11 Girls) 2019/04/13 2019/04/13 Tshwane (GTP) Standard 60 0.83 5 5 3.5 1154.8 1146.0 Analysis
1 2018 Gauteng League Final (U9) 2018/08/24 2018/08/24 Tshwane (GTP) Standard 60 0.83 5 5 1.0 1200.0 1200.0 Analysis
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 10 8 0 2 8.0 80.0 255.0 1225.5 1480.5
White 5 3 0 2 3.0 60.0 85.0 1240.0 1325.0
Black 5 5 0 0 5.0 100.0 425.0 1211.1 1636.1
Standard All 10 8 0 2 8.0 80.0 255.0 1225.5 1480.5
White 5 3 0 2 3.0 60.0 85.0 1240.0 1325.0
Black 5 5 0 0 5.0 100.0 425.0 1211.1 1636.1
Rapid All 0 0 0 0 0.0 0.0 0.0 0.0 0.0
White 0 0 0 0 0.0 0.0 0.0 0.0 0.0
Black 0 0 0 0 0.0 0.0 0.0 0.0 0.0
Blitz All 0 0 0 0 0.0 0.0 0.0 0.0 0.0
White 0 0 0 0 0.0 0.0 0.0 0.0 0.0
Black 0 0 0 0 0.0 0.0 0.0 0.0 0.0
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 48 25 1 22 25.5 53.1 26.6 1216.1 1242.7
White 24 15 1 8 15.5 64.6 124.0 1216.0 1339.9
Black 24 10 0 14 10.0 41.7 -70.8 1216.3 1145.4
Standard All 48 25 1 22 25.5 53.1 26.6 1216.1 1242.7
White 24 15 1 8 15.5 64.6 124.0 1216.0 1339.9
Black 24 10 0 14 10.0 41.7 -70.8 1216.3 1145.4
Rapid All 0 0 0 0 0.0 0.0 0.0 0.0 0.0
White 0 0 0 0 0.0 0.0 0.0 0.0 0.0
Black 0 0 0 0 0.0 0.0 0.0 0.0 0.0
Blitz All 0 0 0 0 0.0 0.0 0.0 0.0 0.0
White 0 0 0 0 0.0 0.0 0.0 0.0 0.0
Black 0 0 0 0 0.0 0.0 0.0 0.0 0.0
Top 20 opponents most often played
#Chess SA idNameGamesScoreWinsDrawsLosses%AorDpPerformView
1 2100155331 Raubenheimer, C (Charne) 2 1.0 1 0 1 50.0 1195.9 0.0 1195.9 View list
2 2090105772 Brand, A (Annemie) 1 1.0 1 0 0 100.0 1190.3 425.0 1615.3 View list
3 1090116742 Baloyi, B (Boikanyo) 1 1.0 1 0 0 100.0 1184.7 425.0 1609.7 View list
4 2100303408 De Lange, Z (Zoe) 1 1.0 1 0 0 100.0 1195.9 425.0 1620.9 View list
5 1080115428 De Bruin, M (Morne) 1 1.0 1 0 0 100.0 1190.3 425.0 1615.3 View list
6 2080155384 Jansen, S (Seante) 1 1.0 1 0 0 100.0 1169.8 425.0 1594.8 View list
7 2080155383 Huruva, T (Thabiso) 1 1.0 1 0 0 100.0 1169.8 425.0 1594.8 View list
8 1090115456 Kruger, RA (Rikus Alwyn) 1 1.0 1 0 0 100.0 1190.3 425.0 1615.3 View list
9 2100303414 Kritzinger, M (Madeleine) 1 1.0 1 0 0 100.0 1195.9 425.0 1620.9 View list
10 2080112662 Mabasa, K (Kelebogile) 1 1.0 1 0 0 100.0 1154.8 425.0 1579.8 View list
11 2090147273 Mampuru, T (Thati) 1 1.0 1 0 0 100.0 1169.8 425.0 1594.8 View list
12 1060159833 Masuku, N (Njabulo) 1 1.0 1 0 0 100.0 1218.9 425.0 1643.9 View list
13 2090113031 Matinyane, K (Koketso) 1 1.0 1 0 0 100.0 1190.3 425.0 1615.3 View list
14 2080155393 Matunywa, Z (Zandile) 1 1.0 1 0 0 100.0 1169.8 425.0 1594.8 View list
15 2090155413 Mbatyazwa, A (Asanda) 1 1.0 1 0 0 100.0 1169.8 425.0 1594.8 View list
16 2090303418 Mello, O (Oratile) 1 1.0 1 0 0 100.0 1195.9 425.0 1620.9 View list
17 209093675 Ngwenya, C (Charmaine) 1 1.0 1 0 0 100.0 1184.7 425.0 1609.7 View list
18 2100303420 Nketsi, J (Jeminah) 1 1.0 1 0 0 100.0 1195.9 425.0 1620.9 View list
19 2100303421 Pillay, S (Sera) 1 1.0 1 0 0 100.0 1195.9 425.0 1620.9 View list
20 2100303733 Semango, L (Letlhogonolo) 1 1.0 1 0 0 100.0 1195.9 425.0 1620.9 View list